I applied online. I interviewed at Blueground (Athens, Athens, Attica) in Dec 2025
Interview
An online 1 hour test with spoting mistakes, reasoning, math and personal character. Then a one on one interview with live coding. A helpfull interviewer trying to help you out and make you feel comfortable
Interview questions [3]
Question 1
Make a stack (in whatever language), find the max of the stack in O(1) time